Sett should use his high early agency and lane pressure to force Olaf into uncomfortable melee trades and deny him calm scaling opportunities.
This matchup is a control versus snowball scenario where Sett aims to dominate early brawls and leverage level 6 (R) to force fights Olaf wants to avoid.
Trading pattern
Initiate trades with autos and (E) to pull Olaf close, then spend grit on centered (W) for maximum damage and shield.
Punish Olaf when he misses (Q) by stepping forward aggressively before he can reset his axe cooldown.
Avoid using (W) if Olaf can sidestep its center; instead, bait cooldowns and re-engage when Olaf is vulnerable.
Danger windows
Be cautious when Olaf lands (Q) and picks up the axe, as he can chase aggressively and extend trades.
Avoid fighting Olaf during his (R) duration, as crowd control is ineffective and he can ignore Sett's stuns.
After missing (E), Sett's threat drops significantly; back off to avoid counter-engage or extended poke.
Early game
Use the first levels to engage in close-range trades, stacking grit and threatening (E) stuns when Olaf stands near minions.
Avoid extended chases; instead, pressure Olaf into committing to melee trades where Sett's grit and (W) shield provide advantage.
Maintain a wave state that forces Olaf to approach, enabling Sett to punish missed (Q) axes and force short trades on Sett's terms.
Power spikes
At level 6, use (R) to reposition Olaf into unfavorable fights or team engagements; follow up immediately to capitalize on displacement.
After completing the first bruiser item, increase wave pressure to force Olaf into short trades where Sett's grit and (W) shield dominate.
Respect Olaf's level 6 (R) for crowd control immunity and extended all-ins; avoid committing when (R) is active unless Sett can guarantee follow-up.
Win conditions
Win lane by forcing melee brawls where Sett can stack grit and land centered (W) for high damage trades.
Use level 6 (R) to create forced fights or disengage unfavorable trades by repositioning Olaf.
Control wave state to deny Olaf safe farming and force him into trades that Sett can punish with (E) stuns and grit-backed (W).
Tip: For Sett vs Olaf, read overview, trading pattern, and danger windows first for a fast Top lane check.